8a+3=7a+20

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Solution for 8a+3=7a+20 equation:


Simplifying
8a + 3 = 7a + 20

Reorder the terms:
3 + 8a = 7a + 20

Reorder the terms:
3 + 8a = 20 + 7a

Solving
3 + 8a = 20 + 7a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-7a' to each side of the equation.
3 + 8a + -7a = 20 + 7a + -7a

Combine like terms: 8a + -7a = 1a
3 + 1a = 20 + 7a + -7a

Combine like terms: 7a + -7a = 0
3 + 1a = 20 + 0
3 + 1a = 20

Add '-3' to each side of the equation.
3 + -3 + 1a = 20 + -3

Combine like terms: 3 + -3 = 0
0 + 1a = 20 + -3
1a = 20 + -3

Combine like terms: 20 + -3 = 17
1a = 17

Divide each side by '1'.
a = 17

Simplifying
a = 17

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